ShenZhen Yint Electrical Technology Co.,Ltd -

ShenZhen Yint Electrical Technology Co.,Ltd

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calling card phone/auto-dialer
Specification: Yint-8A
Detail: Function: 1. market your IP card (pre-paid card or calling card) more 10 times than before. 2. let your customer buy your phone card very liefly and let all your user become your undivided customer 3. it will be realized...


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